<!DOCTYPE html>
<html>
<head lang="en">
    <meta charset="UTF-8">
    <title></title>
    <style>
        body {
            background: radial-gradient(transparent 90%, rgba(250, 250, 250, 0.1) 91%) 40px 40px, radial-gradient(transparent 90%, rgba(250, 250, 250, 0.1) 91%), linear-gradient(rgba(250, 250, 250, 0.07), transparent 3%, transparent 49%, rgba(250, 250, 250, 0.07) 49%, transparent 52%), linear-gradient(to right, rgba(250, 250, 250, 0.07), transparent 3%, transparent 49%, rgba(250, 250, 250, 0.07) 49%, transparent 52%), #780830;
            background-size: 80px 80px;
        }
    </style>
</head>
<body>

</body>
</html>